Home / 1,293.57-1,939.75-599.81

Finding the Fourth Proportional to 1,293.57, 1,939.75 and 599.81

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Solution

The fourth proportional to 1,293.57, 1,939.75 and 599.81 is: 899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.57 : 1,939.75 = 599.81 : x
  2. Step 2: Convert to fraction form
    1,293.57/1,939.75 = 599.81/x
  3. Step 3: Cross multiply
    1,293.57x = 1,939.75 × 599.81
  4. Step 4: Simplify right side
    1,293.57x = 1,163,470.25
  5. Step 5: Solve for x
    x = 1,163,470.25/1,293.57
  6. Step 6: Final answer
    x = 899.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.